This may help. It is an "article" that discusses AIM, Napster, and other
network programs that may be undesired.
http://www.securityportal.com/closet/closet20000419.html
--Matt
> -----Original Message-----
> From: Andrew Tseng [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, January 24, 2001 11:45 AM
> To: '[EMAIL PROTECTED]'
> Subject: Blocking AOL Messenger
>
>
> Hi:
> My company uses Checkpoint FW-1 4.0 running in a NT 4.0
> box. Is there any way to block users using AOL messenger ? I
> blocked AOL messenger default port:5190 but it swithed to
> other ports such as 53, 23 or 25 which have to be opened.
> Also, connections of AOL logon host "login.oscar.aol.com" and
> AOL Netblock "64.12.149.0", "152.163.180.0" are disallowed.
> However, I still see users happy using AOL messenger which
> really discourage me. Could anyone give me some ideas how to
> block AOL Msgr? Should I block AOL Msgr by port or address
> basis or I have to buy third-party SW like WebSense or
> SurfControl? Any comments will be appreciated.
>
>
> Andrew Tseng
>
> Ikegami Electronics USA
> 37 Brook Ave
> Maywood, NJ07607
>
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